Charles' law states that all perfect gases change in volume by __________ of its original volume at 0°C for every 1°C change in temperature, when pressure remains constant. 1/273th 1/93th 1/173th 1/27th TRUE ANSWER : ? YOUR ANSWER : ?
The statement that molecular weights of all gases occupy the same volume is known as Avogadro's hypothesis Law of thermodynamics Gas law Dalton's law TRUE ANSWER : ? YOUR ANSWER : ?
The variables which control the physical properties of a perfect gas are All of these Volume occupied by the gas Temperature of the gas Pressure exerted by the gas TRUE ANSWER : ? YOUR ANSWER : ?
In a steady flow process, the ratio of Work transfer is constant All of these Heat transfer is constant Mass flow at inlet and outlet is same TRUE ANSWER : ? YOUR ANSWER : ?
The heat flows from a cold body to a hot body with the aid of an external source. This statement is given by Clausis Gay-Lussac Kelvin Joule TRUE ANSWER : ? YOUR ANSWER : ?
The heat absorbed or rejected by the working substance is given by (where ds = Increase or decrease of entropy, T = Absolute temperature, and dQ = Heat absorbed or rejected) δQ = T/ds dQ = ds/T None of the listed here δQ = T.ds TRUE ANSWER : ? YOUR ANSWER : ?
The unit of energy is S. I. units is Joule meter (Jm) Joule (J) Joule/meter (J/m) Watt (W) TRUE ANSWER : ? YOUR ANSWER : ?
Coke is produced When coal is first dried and then crushed to a fine powder by pulverizing machine By heating wood with a limited supply of air to a temperature not less than 280°C From the finely ground coal by moulding under pressure with or without a binding material When coal is strongly heated continuously for 42 to 48 hours in the absence of air in a closed vessel TRUE ANSWER : ? YOUR ANSWER : ?
The ratio of root mean square velocity to average velocity of gas molecules at a particular temperature is 1.086 4.086 0.086 1.086 TRUE ANSWER : ? YOUR ANSWER : ?